Superb bi-color Tanzanite crystal from a new find at Merelani. Transparent yellow over a blue base. Along with the excellent transparency, the surface luster of the crystals from this find is also excellent. Natural, unheated gem Tanzanite crystal, 1.8 x 1 x 0.6 cm.

Rare bi-color Tanzanite crystal with a yellow cap over a blue core. Another unusual feature of this crystal are aligned hair-like fibers of another mineral (Rutile?) that point inward and down from inside of the wide sides of the crystal (center photo). Natural, unheated gem Tanzanite crystal, 2.4 x 1 x 0.8 cm.

Unusual Adamite with long individual crystals to 1.5 cm, 6.5 x 5 x 2 cm. Not your typical Adamite - rather than hemispherical masses, this one has jackstraw arrangement of long crystals. A good one for a Mapimi collector.

Rare large, clear Grossular garnets to 1 cm wide. Slightly yellow at the transparent corners, 1.7 x 1.5 x 1.2 cm. These white/clear crystals were always rare and now even more so since the mine is closed.